What is the overall reaction order for this rate law: rate= k[a][b]?

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

What can be found in the ionosphere